Freeverse is continuing its week of announcements with the introduction of Big Bang Brain Games, a suite of six mind games.

These six games - which will be released in December - are: Sudoku, Reaction, Remembrance, Echo, Novasweeper and Fallacy are classic puzzle and memory challenges. The games also integrate with .Mac so players can host their scores on their website.

To mark the launch Freeverse is making Big Bang Reaction available for free download for a very limited time - it'll be unavailable by the end of the week.